試卷名稱:105年 - 105 台灣聯合大學系統_學士班轉學生考試試題:普通物理#124919
年份:105年
科目:轉學考-物理
19. A coil is composed of circular loops of radius r = 5.13 cm and has N = 47 windings. A current, i = 1.27 A, flows through the coil, which is inside a homogeneous magnetic field of magnitude 0.911 T. What is the maximum torque on the coil due to the magnetic field?
(A) 0.148Nt.m,
(B) 0.211 Nt.m,
(C) 0.350 Nt.m,
(D) 0.450 Nt.m.